content: /**
   * Solution of https://www.hackerrank.com/challenges/java-instanceof-keyword
   */ 
  import java.util.ArrayList;
  import java.util.Scanner;
  
  /**
   * @author Mayur Ingle(https://github.com/thecoder8890)
   *
   */
  class Student {
  }
  
  class Rockstar {
  }
  
  class Hacker {
  }
  
  public class JavaInstanceofkeyword {
  
  	static String count(ArrayList mylist) {
  		int a = 0, b = 0, c = 0;
  		for (int i = 0; i < mylist.size(); i++) {
  			Object element = mylist.get(i);
  			if (element instanceof Student)
  				a++;
  			if (element instanceof Rockstar)
  				b++;
  			if (element instanceof Hacker)
  				c++;
  		}
  		String ret = Integer.toString(a) + " " + Integer.toString(b) + " " + Integer.toString(c);
  		return ret;
  	}
  
  	public static void main(String[] args) {
  		ArrayList mylist = new ArrayList();
  		Scanner sc = new Scanner(System.in);
  		int t = sc.nextInt();
  		for (int i = 0; i < t; i++) {
  			String s = sc.next();
  			if (s.equals("Student"))
  				mylist.add(new Student());
  			if (s.equals("Rockstar"))
  				mylist.add(new Rockstar());
  			if (s.equals("Hacker"))
  				mylist.add(new Hacker());
  		}
  		System.out.println(count(mylist));
  		sc.close();
  	}
  }
  